Variable Velocity Device / VVD Piston Only
Variable Velocity Device / Replacement Piston, includes Piston System only for VVD Kit
6-port Anodized Aluminum Piston-Head with Large O-Ring
Polymer Piston Body with Steel Teeth
Reduces orginal power by 20% with each stage setting: 100%, 80% & 60% by allowing more air pass through the piston system. Compatible with standard version2 & version3 gearboxes.